Physical States Of Matter
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Transcript of Physical States Of Matter
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Physical States of MatterPhysical States of Matter
Ms. Wells, Science
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States of MatterStates of Matter
• Different forms of matter:
• Solid
• Liquid
• Gas
• State depends on 2 things:
• Particle (atoms/molecules) arrangement
• Particle motion
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Solid MatterSolid Matter
• Fixed volume, Fixed shape
• Particles packed together tightly – usually in a repeating pattern
• Examples: wood, glass, salt, plastic
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Solid MatterSolid Matter
• Particles vibrate in place
• remember – matter is always in motion!• Want to separate the particles in a solid?
BREAK it!
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Liquid MatterLiquid Matter
• Fixed volume, changing shape
• Particles can move from place to place
• Particles attracted to each other, but more easily separate
• Take the shape of the container its put in
• Examples: milk, oil, honey, water
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Gas MatterGas Matter
• Volume changes, shape changes
• Examples: air, oxygen, water vapor
• Particles always push outward on container• Spread to fill container if
there is more space• Or pack closer together
when there is less space = PRESSURE from the pushing!
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Pressure: Gases and TemperaturePressure: Gases and Temperature
• Increased temperature (add heat)• Particles speed up(more energy)
= Volume increases!• Decreased temperature • (remove heat)
• Particles slow down (less energy)
= Volume decreases!
…More about this in Chapter 2!
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The End!The End!
Matter matters because it is (almost) everything.